Earthquake with magnitude of Md 2.3 on date 13-09-1986 and time 05:19:41 (Italy) in region 6 km W Moliterno (PZ)

A magnitude Md 2.3 earthquake occured in region: 6 km W Moliterno (PZ), on

  • 13-09-1986 03:19:41 (UTC)
  • 13-09-1986 05:19:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2330, 15.8020 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Moliterno PZ 6 4062 4062
Sarconi PZ 8 1404 5466
Grumento Nova PZ 9 1700 7166
Montesano sulla Marcellana SA 10 6704 13870
Tramutola PZ 10 3089 16959
Casalbuono SA 10 1194 18153
Lagonegro PZ 13 5584 23737
Spinoso PZ 15 1462 25199
Viggiano PZ 15 3329 28528
Marsicovetere PZ 16 5546 34074
Buonabitacolo SA 16 2549 36623
Padula SA 17 5368 41991
Paterno PZ 17 3368 45359
Rivello PZ 18 2767 48126
Casaletto Spartano SA 18 1420 49546
Castelsaraceno PZ 18 1384 50930
Montemurro PZ 18 1235 52165
Nemoli PZ 19 1495 53660
Tortorella SA 19 523 54183
Torraca SA 19 1263 55446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Potenza (67122 inhabitants)
81 Km SE of Battipaglia (50786 inhabitants)
83 Km SW of Matera (60436 inhabitants)
92 Km SW of Altamura (70396 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.3 1986-09-13
03:19:41
40.233 15.802 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 34019
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-09-13 03:19:41 ± 0.448
Latitude 40.2330 ± 0.0427
Longitude 15.8020 ± 0.0281
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 34019

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 5308.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00469
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 34019
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:34:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1986-09-13T03:20:01.00 10.0 undecidable manual SG 310 0.4995 1.39 0.2
--.ORI.Z. 1986-09-13T03:19:52.50 10.0 undecidable manual PG 110 0.5217 -0.03 1.8
--.MG9.Z. 1986-09-13T03:19:51.00 10.0 undecidable manual SG 243 0.2109 0.57 0.7
--.SGO.Z. 1986-09-13T03:19:51.00 10.0 undecidable manual PG 310 0.4995 -1.05 0.7
--.MG9.Z. 1986-09-13T03:19:46.20 10.0 undecidable manual PG 243 0.2109 -0.55 1.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download